Multimode amplifiers with fibres doped Nd or Er working point analisis
Michał Borecki , Jerzy Kruszewski , Maria Bebłowska , Mirosław Kwaśny , Jan Wójcik
AbstractThe single-mode fibre erbium doped optical amplifiers are well known. They have high gain in wide band. They works in telecommunication purposes mainly  but the idea of optical signal amplifying is interesting also in other areas. One of intriguing application is free space signal pre-amplification for example in distance meters. In such implementation the multi-mode active fibre usage should be considered. There are a few literature positions that focus on this area . Therefore, the multi-mode fibre amplifiers analysis was performed by authors. This paper presents a theoretical basis of multi-mode fibre amplifiers based on energetic and propagation equations. The investigation of amplifiers pumped codirectionally and contradirectionally introduced for fibres Er and Nd doped was taken.
|Book||SPIE proceedings series, vol. 4239, 2000, Society of Photo-Optical Instrumentation Engineers, ISBN 0-8194-3913-4|
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